on inside of us is our problem. Paul prayed that the eyes of our understanding be enlightened (Eph 1:18). If we did that, if we saw what God saw, the good and the bad inside of us, our lives would dramatically change.
As Bishop TD Jakes says in this message "your in-look determines your outlook."
Jesus came to heal the blind (as well as so much more)... but how blind are we even though we can see?